Sony HT-CT770 Service Manual ▷ View online
HT-CT770
HT-CT770
45
45
5-20. SCHEMATIC DIAGRAM - POWER Board -
25.4
2.2
0.4
1.3
21.4
0
120.6
21.4
22
22.1
0
6.6
1.3
26.4
25.4
3P
CN901
1
LIVE
3
NEUTRAL
CN902
10
/VACS_REQ
8
PVDD_28V
9
NC
7
PVDD_28V
6
PVDD_28V
5
PVDD_GND
4
PVDD_GND
3
PVDD_GND
2
UN12V
1
AGND
FMX-22SL
D965
+
–
D3SB60F3
D901
ET932
ET931
JL973
JL974
JL902
JL903
JL975
JL976
JL904
JL936
JL977
JL901
JL937
4.7uH
L967
2.2uH
L966
EL816S1(B)(TA)(DTE-S)
PH930
1W
R914
0.33
IC930
D/ST
1
S/OCP
2
VCC
3
GND
4
FB/OLP
5
BD
6
NF
7
MM1431FNRE
IC931
K
1
VREF
2
A
3
LF901
TH901
C905
C907
0.33
250V
C988
0.1
C902
C903
250V
5A
F901
200V
C914
330
450V
C915
100
RR264M-400
D937
400V
0.0033
C939
SARS10
D938
0.1
C930
R997
4.7
R1010
4.7
R1009
0
R101
1
1.5kV
C935
2200p
1.5kV
C938
680p
C931
10
C933
2.2
C934
10
C937
0.0047
C932
0.1
C936
4.7k
R937
2.2k
R935
100
R945
27k
R938
4.7
R947
47k
R936
PDTC144EU
Q931
UDZSUSTE-1730B
D941
DZ2J15000L
D932
KDZTR18B
D972
UDZSUSTE-1730B
D935
UDZSUSTE-1730B
D931
25V
330
C941
DZ2J24000L
D939
CRH02(T5R,SONY,XM)
D942
DZ2J180M0L
D934
RR264M-400
D936
DSC7003R0L
Q930
C940
250V
2.5A
F931
25V
1000
C970
RB068L100TE25
D967
UDZSUSTE-1730B
D973
35V
47
C977
0.1
C968
35V
47
C976
35V
2200
C967
250V
C965
0.0047
0.01
C971
220k
R971
1k
R987
1k
R965
47k
R977
4.7k
R978
35V
47
C980
1.5k
R976
DZ2J180M0L
D930
R932
R934
0.5W
R901
1.5M
R944
POWER CONTROL
IC930
ISOLATOR
SHUNT REGULATOR
IC931
POWER BOARD
(CHASSIS)
(CHASSIS)
CN1005
MAIN
>05S
(6/6)
BOARD
47k 3W (US, CND, TW)
100k 3W (Except US, CND, TW)
T901
5
TRANSFORMER
4
9
1
2
3
13
14
8
6
POWER
7
12
11
10
(CHASSIS)
A932
0
STR-Y6735 (US, CND, TW)
STR-Y6766 (Except US, CND, TW)
PATTERN
SPARK-GAP
LND001
VDR901
2
NC
AC1
(AC IN)
FILTER
LINE
250V
0.22 250V (US, CND, TW)
0.33 250V (Except US, CND, TW)
1000p 250V (US, CND, TW)
3300p 250V (Except US, CND, TW)
1000p 250V (US, CND, TW)
3300p 250V (Except US, CND, TW)
1
~
~
2
4
3
REGULATOR
(US, CND, TW)
(Except US, CND, TW)
(US, CND, TW)
(US, CND, TW) (Except US, CND, TW)
0.15 2W (US, CND, TW)
0.22 2W (Except US, CND, TW)
0.47 1W (US, CND, TW)
2.2 1W (Except US, CND, TW)
PROTECT DETECT
150p (US, CND,
TW)
180p (Except US, CND,
TW)
470p
250V
(US, CND, TW)
10P
10
11
12
13
14
G
F
1
C
D
6
E
2
B
3
A
4
5
7
8
9
E
E
TH902
PDTC144EU
Q952
50V
C978
10
R951
220k
R952
1k
2PA1576R-115
Q950
Q950, 952
THERMAL
DETECT
(Except US, CND, TW)
(Page 41)
• See page 46 for IC Block Diagrams.
Ver. 1.1
HT-CT770
HT-CT770
46
46
• Waveforms
– HDMI Board –
– MAIN Board –
• IC Block Diagrams
– HDMI Board –
IC3002 MM3411A50NRE
IC3002 MM3411A50NRE
IC3005, 3006 BD00IC0WEFJ-E2
IC3007 MM1839A50NRE
VOUT
5
NC
4
CE 3
GND 2
VDD 1
+
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS
5
7
8
2
1
3
VOUT
FB
GND
4
N.C.
VCC
N.C.
6
N.C.
EN
+
+
SOFT
START
OVER CURRENT
PROTECT
THERMAL
SHUTDOWN
VOUT
4
CONT 1
GND 2
NC 3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
– MAIN Board –
IC1003 PST8429UL
IC1003 PST8429UL
IC1008 BD00IC0WEFJ-E2
5
7
8
2
1
3
VOUT
FB
GND
4
N.C.
VCC
N.C.
6
N.C.
EN
+
+
SOFT
START
OVER CURRENT
PROTECT
THERMAL
SHUTDOWN
GND 1
VDD 2
+
–
–
VREF
OUT
4
CD
3
w;
IC1002 qa (Xout)
1 V/DIV, 100 ns/DIV
125 ns
2.8 Vp-p
qa
IC3705 1 (BOOT)
5 V/DIV, 2
Ps/DIV
3
Ps
21.6 Vp-p
ql
IC2012 1 (BST)
10 V/DIV, 2
Ps/DIV
3
Ps
22 Vp-p
wa
IC1009 1 (BOOT)
10 V/DIV, 2
Ps/DIV
3
Ps
21.2 Vp-p
7.7
Ps
12 Vp-p
ea
Q805 (BASE)
5 V/DIV, 5
Ps/DIV
20.8
Ps
3.8 Vp-p
qs
IC2005 qk (LRCK)
1 V/DIV, 10
Ps/DIV
qd
IC2005 ql (BCK)
1 V/DIV, 200 ns/DIV
328 ns
4.1 Vp-p
qf
IC2005 w; (SCKO)
1 V/DIV, 20 ns/DIV
40 ns
3.9 Vp-p
qg
IC2005 r; (XTO)
1 V/DIV, 20 ns/DIV
40 ns
2.7 Vp-p
qj
IC2009 y; (BCLK_OUT)
1 V/DIV, 200 ns/DIV
328 ns
4.4 Vp-p
20.8
Ps
4.3 Vp-p
qk
IC2009 ya (LRCLK_OUT)
1 V/DIV, 10
Ps/DIV
1
IC3009 ud (XTALOUT)
1 V/DIV, 20 ns/DIV
37.5 ns
4.1 Vp-p
2
IC3009 oa (MCLK)
1 V/DIV, 50 ns/DIV
59 ns
3.9 Vp-p
qh
IC2009 qd (XTAL)
1 V/DIV, 20 ns/DIV
41 ns
3.8 Vp-p
– DISPLAY Board –
HT-CT770
47
IC1009 RT8295ALZSP
IC2012, 3705 RT8293ALZSP
IC2012, 3705 RT8293ALZSP
IC1011 R1154N001C-TR-FE
BOOT
1
VIN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
S
R
Q
Q
–
+
FOLDBACK
CONTROL
SLOPE COMP
UV
COMPARATOR
CURRENT
COMPARATOR
CURRENT SENSE
AMPLIFIER
SHUTDOWN
COMPARATOR
LOCKOUT
COMPARATOR
OSCILLATOR
0.8V
+
+
–
VA
VCC
2.7V
1.2V
VA
VCC
EA
–
+
0.4V
INTERNAL
REGULATOR
–
+
–
+
+
–
CE
5
ADJ
4
VOUT 1
GND 2
VDD 3
+
–
THERMAL
PROTECTION
VREF
PEAK CURRENT
PROTECTION
SHORT
PROTECTION
IC1012 BMA250E
IC1013, 2007 MM3411A33URE
IC2015 MM3411A18URE
IC2015 MM3411A18URE
SDO 1
INT1
5
SDI 2
VDDIO 3
NC 4
GNDIO
8
VDD
7
CSB
10
SCK
12
GND
9
PS
11
INT2
6
INTERFACE
LOGIC
ADC
C/V
ADC
C/V
ADC
NVM
C/V
VOLTAGE
REGULATORS
+
POWER CONTROL
SLOW
OSC
FAST
OSC
VOUT
3
CE 1
GND 2
VDD
4
+
–
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS
HT-CT770
48
IC2003 SN74LV4052APWR
IC2005 PCM9211PTR
IC2006 MM1839A50NRE
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2Y0
1Y2
VCC
1Y1
1-COM
1Y0
1Y3
A
B
GND
GND
INH
2Y1
2Y3
2-COM
2Y2
XTI 39
XTO 40
GNDRX 38
NPCM/INT1
2
MPIO_B0
11
MPIO_B1
12
ERROR/INT0
1
SCKO
20
BCK
19
LRCK
18
DOUT
17
MD0/ADR0
23
MD1/SDA
24
MS/ADR1
26
MODE
27
RXIN4/ASCKIO
31
RXIN5/ABCKIO
30
RXIN1
RXIN1
35
VDDRX
36
MPIO_C3
10
VINR 48
VINL 47
VCOM 44
RST
34
RXIN2
33
RXIN3
32
RXIN6/ALRCKIO
29
RXIN7/ADIN0
28
RXIN2
AGNDAD 45
VCCAD 46
VCC 42
FILT 43
AGND 41
MPIO_C2
9
MPIO_C1
8
MPIO_C0
7
RXIN0 37
RXIN3
RXIN4
RXIN5
RXIN6
RXIN7
AUXIN0
RXIN8
MPIO_A
MPIO_B
MPIO_C
MPO0
MPO1
RXIN8
RXIN9
RXIN10
RXIN11
DTOUT
RXIN0
A/D
CONVERTER
A/D
CONVERTER
MODE
CONTROL
DIR
ANALOG
XMCKO
DIVIDER
CLOCK/DATA
RECOVERY
LOCK
DETECTION
MPO0/1
SELECTOR
RESET &
MODE SETTING
SPI/I2C
INTERFACE
REGISTER
MAIN
OUTPUT
PORT
DIVIDER
OSC
PLL
A/D
CONVERTER
ANALOG
COM. SUPPLY
POWER SUPPLY
DIR
ANALOG
POWER
SUPPLY
ALL
POWER
SUPPLY
XMCKO
(TO MPIO_A & MPO0/1)
(TO MPIO_A & MPO0/1)
MC/SCL
25
DGND
21
DVDD
22
MPIO_B3
14
MPIO_B2
13
MPIO_B
SELECTOR
MPIO_C
SELECTOR
MPIO_A3
6
MPIO_A2
5
MPIO_A1
4
MPIO_A0
3
RXIN9
RXIN10
RXIN11
AUXIN1
SBCK/SLRCK
( TO MPIO_A)
MPIO_A
SELECTOR
EXTRA DIR
FUNCTIONS
SECONDARY BCK/LRCK
DIVIDER SELECTOR
DIT
MPO1
16
MPO0
15
ADC CLOCK
(SCK/BCK/LRCK)
(SCK/BCK/LRCK)
SCKO/BCK/LRCK
RECOUT1
RECOUT0
DITOUT
RECOUT0
DITOUT
DOUT
RXIN7
AUTO
DIR
ADC
AUXIN0
AUXIN1
DIR
ADC
AUXIN0
AUXIN1
RECOUT1
RECOUT0
RECOUT0
AUTO
DIR
ADC
AUXIN0
AUXIN1
DIR
ADC
AUXIN0
AUXIN1
ADC
ADC_STANDALONE
AUXIN2
AUTO
DIR
ADC
AUXIN0
AUXIN1
AUXIN2
DIR
ADC
AUXIN0
AUXIN1
AUXIN2
AUXOUT
AUXIN2
ADC
DIR
VOUT
4
CONT 1
GND 2
NC 3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
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